zgo-backend/app/Main.hs

{-# LANGUAGE OverloadedStrings #-}

module Main where

import Control.Concurrent (forkIO)
import Data.Configurator
import Data.SecureMem
import Database.MongoDB
import Network.Wai.Handler.Warp (defaultSettings, setPort)
import Network.Wai.Handler.WarpTLS (runTLS, tlsSettings)
import Web.Scotty
import ZGoBackend

main :: IO ()
main = do
  putStrLn "Reading config..."
  config <- load ["zgo.cfg"]
  dbName <- require config "dbName"
  dbUser <- require config "dbUser"
  dbPassword <- require config "dbPassword"
  nodeAddress <- require config "nodeAddress"
  passkey <- secureMemFromByteString <$> require config "passkey"
  port <- require config "port"
  useTls <- require config "tls"
  cert <- require config "certificate"
  key <- require config "key"
  let myTlsSettings =
        if useTls
          then Just $ tlsSettings cert key
          else Nothing
  putStrLn "Starting Server..."
  pipe <- connect $ host "127.0.0.1"
  j <- access pipe master dbName (auth dbUser dbPassword)
  if j
    then putStrLn "Connected to MongoDB!"
    else fail "MongoDB connection failed!"
  _ <- forkIO (setInterval 60 (checkZcashPrices pipe dbName))
  _ <- forkIO (setInterval 75 (scanZcash nodeAddress pipe dbName))
  _ <- forkIO (setInterval 60 (checkPayments pipe dbName))
  _ <- forkIO (setInterval 60 (expireOwners pipe dbName))
  let appRoutes = routes pipe dbName passkey nodeAddress
  case myTlsSettings of
    Nothing -> scotty port appRoutes
    Just tls -> do
      apiCore <- scottyApp appRoutes
      runTLS tls (setPort port defaultSettings) apiCore